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[11/11] ACPI / Battery: Update information on info notification and resume

Message ID 201101062342.28168.rjw@sisk.pl (mailing list archive)
State New, archived
Headers show

Commit Message

Rafael Wysocki Jan. 6, 2011, 10:42 p.m. UTC
None
diff mbox

Patch

Index: linux-2.6/drivers/acpi/battery.c
===================================================================
--- linux-2.6.orig/drivers/acpi/battery.c
+++ linux-2.6/drivers/acpi/battery.c
@@ -631,6 +631,17 @@  static int acpi_battery_update(struct ac
 	return result;
 }
 
+static void acpi_battery_refresh(struct acpi_battery *battery)
+{
+	if (!battery->bat.dev)
+		return;
+
+	acpi_battery_get_info(battery);
+	/* The battery may have changed its reporting units. */
+	sysfs_remove_battery(battery);
+	sysfs_add_battery(battery);
+}
+
 /* --------------------------------------------------------------------------
                               FS Interface (/proc)
    -------------------------------------------------------------------------- */
@@ -914,6 +925,8 @@  static void acpi_battery_notify(struct a
 	if (!battery)
 		return;
 	old = battery->bat.dev;
+	if (event == ACPI_BATTERY_NOTIFY_INFO)
+		acpi_battery_refresh(battery);
 	acpi_battery_update(battery);
 	acpi_bus_generate_proc_event(device, event,
 				     acpi_battery_present(battery));
@@ -983,6 +996,7 @@  static int acpi_battery_resume(struct ac
 	if (!device)
 		return -EINVAL;
 	battery = acpi_driver_data(device);
+	acpi_battery_refresh(battery);
 	battery->update_time = 0;
 	acpi_battery_update(battery);
 	return 0;